How many moles of oxygen are needed to burn 1.33 moles of methyl alcohol (ch3oh)? 2ch3oh 3o2 2co2 4h2o

How many grams are in one mole of lead?

How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity